15CrMo4 1.3566 - DIN EN ISO 683-17-2015

Grade	15CrMo4
Germany W-Nr.	1.3566
Corresponding Standard	DIN EN ISO 683-17-2015 Heat-Treated Steels, Alloy Steels and Free-Cutting Steels - Part 17: Ball and Roller Bearing Steels
Classification	Alloy Steel
Properties	Quench Hardness

15CrMo4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S ^①	Cr	Cu	Mo	Al	O
Minimum Value	0.12	-	0.6	-	-	0.9	-	0.15	-	-
Maximum Value	0.18	0.4	0.9	0.025	0.015	1.2	0.3	0.25	0.05	0.002

15CrMo4 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Steel billet, bar stock, coil bar	Cold Shearing Treatment (+S)	≤255
Bars, coiled bars	Softening Annealing (+A)	≤207
Bar stock, coil, wire, ring parts	Solution Heat Treatment (+TH)	156~207
Bars, coils, wire rods, pipes, rings	Spheroidizing Annealing (+AC)	≤170
Bar, Coil, Pipe, Ring	Isothermal Treatment to Ferrite-Perlite Structure and Hardness Range (+FP)	137~184

15CrMo4 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!